Earth is surrounded by a radio field caused by very low-frequency waves. This field pushes away the Van Allen Belts, a ...

Scientists from the Polytechnic Institute of Novgorod State University, together with colleagues from a number of Chinese ...

Using digital techniques has caused a resurgence of interest in VLF — very low frequency — radio. Thanks to software-defined radio, you no longer need huge coils. However, you still need a suitable ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Panel (a) shows the trajectory of MSS1-A crossing the SAA on a geographic map, the color indicates the integral flux of 40-750 keV electrons, accompanied by L-shell contour lines. The star marks the ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

HYDERABAD: Defence Minister Rajnath Singh along with Chief Minister A Revanth Reddy is scheduled to lay the foundation stone for the very low-frequency (VLF) radar station in the Damagundam forest ...

Abstract: Very-low-frequency (VLF) (3–30 kHz) radio waves can propagate large distances around the globe in the Earth-ionosphere waveguide and be scattered by transient disturbances to the lower ...

1 Hayakawa Institute of Seismo Electromagnetics, Co., Ltd. (Hi-SEM), UEC Alliance Center #521, Tokyo, Japan. 2 Advanced Wireless & Communications Research Center (AWCC), The University of ...

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